<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <link rel="stylesheet" href="css/bootstrap.min.css">
</head>
<body style="padding: 50px;">
    <form>
        <div class="form-group">
            <label>邮箱</label>
            <input type="email" class="form-control" placeholder="请输入邮箱">
        </div>
        <div class="form-group">
            <label>密码</label>
            <input type="password" class="form-control" placeholder="请输入密码">
        </div>
        <div class="form-group">
            <button class="btn btn-primary">提交</button>
        </div>
    </form>

</body>
</html>